22223072100 has 72 divisors (see below), whose sum is σ = 64323883008. Its totient is φ = 5923836800.

The previous prime is 22223072093. The next prime is 22223072143. The reversal of 22223072100 is 127032222.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 838045 + ... + 864155.

It is an arithmetic number, because the mean of its divisors is an integer number (893387264).

Almost surely, 2^22223072100 is an apocalyptic number.

22223072100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22223072100 is an abundant number, since it is smaller than the sum of its proper divisors (42100810908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22223072100 is a wasteful number, since it uses less digits than its factorization.

22223072100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28965 (or 28958 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The spelling of 22223072100 in words is "twenty-two billion, two hundred twenty-three million, seventy-two thousand, one hundred".